#include <stdio.h>

int main(void) {
  int num1, denom1, num2, denom2, result_num, result_denom;

  printf("Enter two fractions separated by a plus sign: ");
  scanf("%d /%d +%d /%d", &num1, &denom1, &num2, &denom2);

  result_num = num1 * denom2 + num2 * denom1;
  result_denom = denom1 * denom2;

  printf("The sum is: %d/%d\n", result_num, result_denom);

  return 0;
}

// Enter two fractions separated by a plus sign: 5/6+3/4